package com.sky.controller.admin;

import com.sky.config.RedisConfiguration;
import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Dish;
import com.sky.result.PageResult;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.apache.ibatis.annotations.Delete;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Set;

@Slf4j
@RestController
@RequestMapping("/admin/dish")
public class DishController {
    @Autowired
    private DishService dishService;
    @Autowired
    private RedisTemplate redisTemplate;
    /**
     * 新增菜品
     */
    @PostMapping
    public Result saveDish(@RequestBody DishDTO dishDTO){
        log.info("前后端联通");
        //新建方法
        dishService.saveWithFlavor(dishDTO);

        //清理缓存数据
        String key = "dish："+ dishDTO.getCategoryId();
        cleanCache(key);
        return Result.success();
    }

    /**
     * 菜品分页查询
     * @param dishPageQueryDTO
     * @return
     */
    @GetMapping("/page")
    @ApiOperation("菜品分页查询")
    public Result<PageResult> page(DishPageQueryDTO dishPageQueryDTO){
        log.info("菜品分页查询:{}",dishPageQueryDTO);
        PageResult pageResult = dishService.pageQuery(dishPageQueryDTO);
        return Result.success(pageResult);
    }

/**
 * 删除菜品
 */
    @DeleteMapping
    @ApiOperation("删除菜品")
    public Result deleteById(@RequestParam List<Long> ids){
        log.info("前后端联通");
        dishService.delete(ids);

        //将所有的菜品缓存数据清理掉，所有以dish:开头的key
        cleanCache("dish:*");
        return Result.success();
    }

    /**
     * 根据id查询菜品
     */
    @GetMapping("/{id}")
    @ApiOperation("根据id查询菜品")
    public Result<DishVO> getById(@PathVariable Long id){
        log.info("根据id查询菜品:{}",id);
        DishVO dishVO = dishService.getByIdWithFlavor(id);
        return Result.success(dishVO);
    }

    /**
     * 修改菜品
     */
    @PutMapping
    @ApiOperation("修改菜品")
    public Result update(@RequestBody DishDTO dishDTO){
        log.info("修改菜品{}",dishDTO);
        dishService.updateWithFlavor(dishDTO);

        //将所有的菜品缓存数据清理掉，所有以dish：开头的key
        cleanCache("dish:*");
        return Result.success();

    }

    /**
     * 修改起售停售状态
     */
    @PostMapping("/status/{status}")
    @ApiOperation("修改菜品起售停售状态")
    public Result updateStatus(@PathVariable Integer status, Long id){
        log.info("通过id查询起售状态:id:{},status:{}",id,status);
        dishService.updateWithStatus(status,id);

        //将所有的菜品缓存数据清理掉，所有以dish：开头的key
        cleanCache("dish:*");
        return Result.success();
    }

    /**
     * 根据分类id查询菜品
     */
    @GetMapping("/list")
    @ApiOperation("根据分类id查询菜品")
    public Result<List<Dish>> list(Long categoryId){
        log.info("根据id查询菜品{}",categoryId);
        List<Dish> list = dishService.List(categoryId);
        return Result.success(list);
    }


    /**
     * 清理缓存数据
     */
    private void cleanCache(String pattern){
        Set keys = redisTemplate.keys(pattern);
        redisTemplate.delete(keys);
    }
}
